Spatial Coverage
- New York.1
- New Zealand1
- Northwest, Pacific1
- Oakland (Calif.)1
- Oakland.1
- Osage County (Okla.)1
- Penn Yan1
- Penn Yan (N.Y.)1
- Pennsylvania.1
- Petroleum County (Mont.)1
- Pickaway County1
- Polar regions1
- Port Valdez Region (Alaska)1
- Prairie Provinces1
- Prince William Sound Region (Alaska)1
- Rhode Island.1
- Richmond (Calif.)1
- Richmond.1
- Rio Grande County (Colo.)1
- Riverside1
